<?php

class form
{

    /**
     * 编辑器
     * 
     * @param int $textareaid            
     * @param int $toolbar            
     * @param string $module
     *            模块名称
     * @param int $catid
     *            栏目id
     * @param int $color
     *            编辑器颜色
     * @param boole $allowupload
     *            是否允许上传
     * @param boole $allowbrowser
     *            是否允许浏览文件
     * @param string $alowuploadexts
     *            允许上传类型
     * @param string $height
     *            编辑器高度
     * @param string $disabled_page
     *            是否禁用分页和子标题
     */
    /* public static function editor($textareaid = 'content', $toolbar = 'basic', $module = '', $catid = '', $color = '', $allowupload = 0, $allowbrowser = 1, $alowuploadexts = '', $height = 200, $disabled_page = 0, $allowuploadnum = '10')
    {
        $str = '';
        if (! defined('EDITOR_INIT')) {
            $str = '<script type="text/javascript" src="' . JS_PATH . 'ckeditor/ckeditor.js"></script>';
            define('EDITOR_INIT', 1);
        }
        if ($toolbar == 'basic') {
            $toolbar = defined('IN_ADMIN') ? "['Source']," : '';
            $toolbar .= "['Bold', 'Italic', '-', 'NumberedList', 'BulletedList', '-', 'Link', 'Unlink' ],['Maximize'],\r\n";
        } elseif ($toolbar == 'full') {
            if (defined('IN_ADMIN')) {
                $toolbar = "['Source',";
            } else {
                $toolbar = '[';
            }
            $toolbar .= "'-','Templates'],
		    ['Cut','Copy','Paste','PasteText','PasteFromWord','-','Print'],
		    ['Undo','Redo','-','Find','Replace','-','SelectAll','RemoveFormat'],['ShowBlocks'],['Image','Capture','Flash','flashplayer','MyVideo'],['Maximize'],
		    '/',
		    ['Bold','Italic','Underline','Strike','-'],
		    ['Subscript','Superscript','-'],
		    ['NumberedList','BulletedList','-','Outdent','Indent','Blockquote'],
		    ['JustifyLeft','JustifyCenter','JustifyRight','JustifyBlock'],
		    ['Link','Unlink','Anchor'],
		    ['Table','HorizontalRule','Smiley','SpecialChar','PageBreak'],
		    '/',
		    ['Styles','Format','Font','FontSize'],
		    ['TextColor','BGColor'],
		    ['attachment'],\r\n";
        } elseif ($toolbar == 'desc') {
            $toolbar = "['Bold', 'Italic', '-', 'NumberedList', 'BulletedList', '-', 'Link', 'Unlink', '-', 'Image', '-','Source'],['Maximize'],\r\n";
        } else {
            $toolbar = '';
        }
        $str .= "<script type=\"text/javascript\">\r\n";
        $str .= "CKEDITOR.replace( '$textareaid',{";
        $str .= "height:{$height},";
        
        $show_page = ($module == 'content' && ! $disabled_page) ? 'true' : 'false';
        $str .= "pages:$show_page,subtitle:$show_page,textareaid:'" . $textareaid . "',module:'" . $module . "',catid:'" . $catid . "',\r\n";
        if ($allowupload) {
            $authkey = upload_key("$allowuploadnum,$alowuploadexts,$allowbrowser");
            $str .= "flashupload:true,alowuploadexts:'" . $alowuploadexts . "',allowbrowser:'" . $allowbrowser . "',allowuploadnum:'" . $allowuploadnum . "',authkey:'" . $authkey . "',\r\n";
        }
        if ($allowupload)
            $str .= "filebrowserUploadUrl : 'index.php?m=attachment&c=attachments&a=upload&module=" . $module . "&catid=" . $catid . "&dosubmit=1',\r\n";
        if ($color) {
            $str .= "extraPlugins : 'uicolor',uiColor: '$color',";
        }
        $str .= "toolbar :\r\n";
        $str .= "[\r\n";
        $str .= $toolbar;
        $str .= "]\r\n";
        // $str .= "fullPage : true";
        $str .= "});\r\n";
        $str .= '</script>';
        $ext_str = "<div class='editor_bottom'>";
        if (! defined('IMAGES_INIT')) {
            $ext_str .= '<script type="text/javascript" src="' . JS_PATH . 'swfupload/swf2ckeditor.js"></script>';
            define('IMAGES_INIT', 1);
        }
        $ext_str .= "<div id='page_title_div'>
		<table cellpadding='0' cellspacing='1' border='0'><tr><td class='title'>" . L('subtitle') . "<span id='msg_page_title_value'></span></td><td>
		<a class='close' href='javascript:;' onclick='javascript:$(\"#page_title_div\").hide();'><span>×</span></a></td>
		<tr><td colspan='2'><input name='page_title_value' id='page_title_value' class='input-text' value='' size='30'>&nbsp;<input type='button' class='button' value='" . L('submit') . "' onclick=insert_page_title(\"$textareaid\",1)></td></tr>
		</table></div>";
        $ext_str .= "</div>";
        if (is_ie())
            $ext_str .= "<div style='display:none'><OBJECT id='PC_Capture' classid='clsid:021E8C6F-52D4-42F2-9B36-BCFBAD3A0DE4'><PARAM NAME='_Version' VALUE='0'><PARAM NAME='_ExtentX' VALUE='0'><PARAM NAME='_ExtentY' VALUE='0'><PARAM NAME='_StockProps' VALUE='0'></OBJECT></div>";
        $str .= $ext_str;
        return $str;
    } */
    
        public static function editor($textareaid = 'content', $toolbar = 'full', $module = '', $catid = '', $color = '', $allowupload = 0, $allowbrowser = 1,$alowuploadexts = '',$width = 800,$height = 300,$disabled_page = 0, $allowuploadnum = '10') {
        	$str ='';
        	if(!defined('EDITOR_INIT')) {
        		$str .= '<script type="text/javascript" src="./statics/js/ueditor/ueditor.config.js"></script>';
        		$str .= '<script type="text/javascript" src="./statics/js/ueditor/ueditor.all.js"></script>';
        		$str .= '<script type="text/javascript" src="./statics/js/ueditor/ueditor.parse.js"></script>';
        		$str .= '<link rel="stylesheet" href="./statics/js/ueditor/themes/default/css/ueditor.css"/>';
        		define('EDITOR_INIT', 1);
        	}
        	if($toolbar == 'basic') {
        		$toolbar = '';
        		$toolbar .= "['fullscreen', 'source', 'undo', 'redo', 'bold']";
        	} elseif($toolbar == 'full') {
        		$toolbar = '';
        		$toolbar .= "['fullscreen', 'source', '|', 'undo', 'redo', '|',
                'bold', 'italic', 'underline', 'fontborder', 'strikethrough', 'superscript', 'subscript', 'removeformat', 'formatmatch', 'autotypeset', 'blockquote', 'pasteplain', '|', 'forecolor', 'backcolor', 'insertorderedlist', 'insertunorderedlist', 'selectall', 'cleardoc', '|',
                'rowspacingtop', 'rowspacingbottom', 'lineheight', '|',
                'customstyle', 'paragraph', 'fontfamily', 'fontsize', '|',
                'directionalityltr', 'directionalityrtl', 'indent', '|',
                'justifyleft', 'justifycenter', 'justifyright', 'justifyjustify', '|', 'touppercase', 'tolowercase', '|',
                'link', 'unlink', 'anchor', '|', 'imagenone', 'imageleft', 'imageright', 'imagecenter', '|',
                'simpleupload', 'insertimage', 'emotion', 'scrawl', 'insertvideo', 'attachment', 'map', 'insertframe', 'template', 'background', '|',
                'horizontal', 'date', 'time', 'spechars', 'snapscreen', 'wordimage', '|',
                'inserttable', 'deletetable', 'insertparagraphbeforetable', 'insertrow', 'deleterow', 'insertcol', 'deletecol', 'mergecells', 'mergeright', 'mergedown', 'splittocells', 'splittorows', 'splittocols', 'charts', '|',
                'print', 'preview', 'searchreplace', 'drafts', 'help']";
        	} else {
        		$toolbar = '';
        	}
        	$str .= "<script type=\"text/javascript\">";
        	$str .= "var editor = UE.getEditor('$textareaid',{";
        	$str .= "initialFrameWidth :{$width},";
        	$str .= "initialFrameHeight:{$height},";
        	
        	$str .= "toolbars :";
        	$str .= "[";
        	$str .= $toolbar;
        	$str .= "]";
        	$str .= "});";
        	$str .= '</script>';
        	return $str;
        }
    
    /**
     *
     * @param string $name 表单名称
     * @param int $id 表单id
     * @param string $value 表单默认值
     * @param string $moudle 模块名称
     * @param int $catid 栏目id
     * @param int $size 表单大小
     * @param string $class 表单风格
     * @param string $ext 表单扩展属性 如果 js事件等
     * @param string $alowexts 允许图片格式
     * @param array $thumb_setting
     * @param int $watermark_setting  0或1
     */
    public static function images($name, $id = '', $value = '', $moudle='', $catid='', $size = 50, $class = '', $ext = '', $alowexts = '',$thumb_setting = array(),$watermark_setting = 0 ) {
    	if(!$id) $id = $name;
    	if(!$size) $size= 50;
    	if(!empty($thumb_setting) && count($thumb_setting)) $thumb_ext = $thumb_setting[0].','.$thumb_setting[1];
    	else $thumb_ext = ',';
    	if(!$alowexts) $alowexts = 'jpg|jpeg|gif|bmp|png';
    	if(!defined('IMAGES_INIT')) {
    		$str = '<script type="text/javascript" src="'.JS_PATH.'swfupload/swf2ckeditor.js"></script>';
    		define('IMAGES_INIT', 1);
    	}
    	$value = new_html_special_chars($value);
    	$authkey = upload_key("1,$alowexts,1,$thumb_ext,$watermark_setting");
    	return $str."<input type=\"text\" name=\"$name\" id=\"$id\" value=\"$value\" size=\"$size\" class=\"$class\" $ext/>  <input type=\"button\" class=\"button\" onclick=\"javascript:flashupload('{$id}_images', '".L('attachmentupload')."','{$id}',submit_images,'1,{$alowexts},1,{$thumb_ext},{$watermark_setting}','{$moudle}','{$catid}','{$authkey}',0)\"/ value=\"".L('imagesupload')."\"> <input type=\"button\" class=\"button\" onclick=\"showPic('".$id."')\"/ value=\"浏览图片\">";
    }

    /**
     *
     * @param string $name 表单名称
     * @param int $id 表单id
     * @param string $value 表单默认值
     */
    public static function images_crop ($name, $id = '', $value = ''){
        if(!$id) $id = $name;
        if(!defined('IMAGES_INIT')) {
            $str = '<script type="text/javascript" src="'.JS_PATH.'swfupload/swf2ckeditor.js"></script>';
            define('IMAGES_INIT', 1);
        }
        $value = new_html_special_chars($value);
        $authkey = upload_key("1,jpg|jpeg|gif|png|bmp,1,,,0");

        return $str."<div class=\"upload-pic img-wrap\" style=\"width: 180px;\"><input type=\"hidden\" name=\"$name\" id=\"$id\" value=\"$value\"><a href=\"javascript:void(0);\" style=\"display:block;margin:auto;\" onclick=\"flashupload('thumb_images', '附件上传','$id',thumb_images,'1,jpg|jpeg|gif|png|bmp,1,,,0','content','41','{$authkey}');return false;\"><img src=\"".($value?$value:IMG_PATH."icon/upload-pic.png")."\" id=\"".$id."_preview\"  height=\"113\" style=\"cursor:hand\"></a><input type=\"button\" style=\"width: 66px;\" class=\"button\" onclick=\"crop_cut_thumb(\$('#$id').val());return false;\" value=\"裁切图片\"><input type=\"button\" style=\"width: 66px;\" class=\"button\" onclick=\"\$('#".$id."_preview').attr('src','".IMG_PATH."icon/upload-pic.png');\$('#$id').val(' ');return false;\" value=\"取消图片\">
                <script type=\"text/javascript\">
                    function crop_cut_thumb(id){
                        if (id=='') { alert('请先上传缩略图');return false;}
                        window.top.art.dialog({title:'裁切图片', id:'crop', iframe:'index.php?m=content&c=content&a=public_crop&module=content&catid=&picurl='+encodeURIComponent(id)+'&input=".$id."&preview=".$id."_preview', width:'1000px', height:'600px'},    function(){var d = window.top.art.dialog({id:'crop'}).data.iframe;
                        d.uploadfile();return false;}, function(){window.top.art.dialog({id:'crop'}).close()});
                    };
                </script>
            </div>";
    }
    
    /**
     *
     * @param string $name 表单名称
     * @param int $id 表单id
     * @param string $value 表单默认值
     * @param string $moudle 模块名称
     * @param int $catid 栏目id
     * @param int $size 表单大小
     * @param string $class 表单风格
     * @param string $ext 表单扩展属性 如果 js事件等
     * @param string $alowexts 允许上传的文件格式
     * @param string $placeholder placeholder,默认加载admin设置的值
     * @param array $file_setting
     */
    public static function upfiles($name, $id = '', $value = '', $moudle='', $catid='', $size = 50, $class = '', $ext = '', $alowexts = '', $placeholder = '',$file_setting = array() ) {
    	if(!$id) $id = $name;
    	if(!$size) $size= 50;
    	if(!empty($file_setting) && count($file_setting)) $file_ext = $file_setting[0].','.$file_setting[1];
    	else $file_ext = ',';
    	if(!$alowexts) $alowexts = 'rar|zip';
    	if(!defined('IMAGES_INIT')) {
    		$str = '<script type="text/javascript" src="'.JS_PATH.'swfupload/swf2ckeditor.js"></script>';
    		define('IMAGES_INIT', 1);
    	}
    	$authkey = upload_key("1,$alowexts,1,$file_ext");
    	$placeholder_value = $placeholder ? $placeholder : 'placeholder_name';
    	return $str."<input type=\"text\" name=\"$name\" id=\"$id\" placeholder=\"".L($placeholder_value)."\" value=\"$value\" size=\"$size\" class=\"$class\" $ext/>  <input type=\"button\" class=\"button\" onclick=\"javascript:flashupload('{$id}_files', '".L('attachmentupload')."','{$id}',submit_attachment,'1,{$alowexts},1,{$file_ext}','{$moudle}','{$catid}','{$authkey}',1)\"/ value=\"".L('filesupload')."\">";
    }
    
    /**
     * 日期时间控件
     *
     * @param $name 控件name，id
     * @param $value 选中值
     * @string $custom_str 选中时间后执行自定义
     * @param $isdatetime 是否显示时间
     * @param $loadjs 是否重复加载js，防止页面程序加载不规则导致的控件无法显示
     * @param $showweek 是否显示周，使用，true | false
     */
    public static function date($name, $value = '', $isdatetime = 0, $loadjs = 0, $showweek = 'true', $timesystem = 1,$custom_str = '') {
    	if($value == '0000-00-00 00:00:00') $value = '';
    	$id = preg_match("/\[(.*)\]/", $name, $m) ? $m[1] : $name;
    	if($isdatetime) {
    		$size = 21;
    		$format = '%Y-%m-%d %H:%M:%S';
    		if($timesystem){
    			$showsTime = 'true';
    		} else {
    			$showsTime = '12';
    		}
    			
    	} else {
    		$size = 10;
    		$format = '%Y-%m-%d';
    		$showsTime = 'false';
    	}
    	$str = '';
    	if($loadjs || !defined('CALENDAR_INIT')) {
    		define('CALENDAR_INIT', 1);
    		$str .= '<link rel="stylesheet" type="text/css" href="'.JS_PATH.'calendar/jscal2.css"/>
			<link rel="stylesheet" type="text/css" href="'.JS_PATH.'calendar/border-radius.css"/>
			<link rel="stylesheet" type="text/css" href="'.JS_PATH.'calendar/win2k.css"/>
			<script type="text/javascript" src="'.JS_PATH.'calendar/calendar.js"></script>
			<script type="text/javascript" src="'.JS_PATH.'calendar/lang/en.js"></script>';
    	}
    	$str .= '<input type="text" name="'.$name.'" id="'.$id.'" value="'.$value.'" size="'.$size.'" class="date" readonly>&nbsp;';
    	$str .= '<script type="text/javascript">
			Calendar.setup({
			weekNumbers: '.$showweek.',
		    inputField : "'.$id.'",
		    trigger    : "'.$id.'",
		    dateFormat: "'.$format.'",
		    showTime: '.$showsTime.',
		    minuteStep: 1,
		    onSelect   : function() {this.hide();'.$custom_str.'}
			});
        </script>';
    	return $str;
    }

    /**
     * 栏目选择
     * 
     * @param string $file
     *            栏目缓存文件名
     * @param intval/array $catid
     *            别选中的ID，多选是可以是数组
     * @param string $str
     *            属性
     * @param string $default_option
     *            默认选项
     * @param intval $modelid
     *            按所属模型筛选
     * @param intval $type
     *            栏目类型
     * @param intval $onlysub
     *            只可选择子栏目
     * @param intval $siteid
     *            如果设置了siteid 那么则按照siteid取
     */
    public static function select_category($file = '', $catid = 0, $str = '', $default_option = '', $modelid = 0, $type = -1, $onlysub = 0, $siteid = 0, $is_push = 0)
    {
        $tree = pc_base::load_sys_class('tree');
        if (! $siteid)
            $siteid = param::get_cookie('siteid');
        if (! $file) {
            $file = 'category_content_' . $siteid;
        }
        $result = getcache($file, 'commons');
        $string = '<select ' . $str . '>';
        if ($default_option)
            $string .= "<option value='0'>$default_option</option>";
            // 加载权限表模型 ,获取会员组ID值,以备下面投入判断用
        if ($is_push == '1') {
            $priv = pc_base::load_model('category_priv_model');
            $user_groupid = param::get_cookie('_groupid') ? param::get_cookie('_groupid') : 8;
        }
        if (is_array($result)) {
            foreach ($result as $r) {
                // 检查当前会员组，在该栏目处是否允许投稿？
                if ($is_push == '1' and $r['child'] == '0') {
                    $sql = array(
                        'catid' => $r['catid'],
                        'roleid' => $user_groupid,
                        'action' => 'add'
                    );
                    $array = $priv->get_one($sql);
                    if (! $array) {
                        continue;
                    }
                }
                if ($siteid != $r['siteid'] || ($type >= 0 && $r['type'] != $type))
                    continue;
                $r['selected'] = '';
                if (is_array($catid)) {
                    $r['selected'] = in_array($r['catid'], $catid) ? 'selected' : '';
                } elseif (is_numeric($catid)) {
                    $r['selected'] = $catid == $r['catid'] ? 'selected' : '';
                }
                $r['html_disabled'] = "0";
                if (! empty($onlysub) && $r['child'] != 0) {
                    $r['html_disabled'] = "1";
                }
                $categorys[$r['catid']] = $r;
                if ($modelid && $r['modelid'] != $modelid)
                    unset($categorys[$r['catid']]);
            }
        }
        $str = "<option value='\$catid' \$selected>\$spacer \$catname</option>;";
        $str2 = "<optgroup label='\$spacer \$catname'></optgroup>";
        
        $tree->init($categorys);
        $string .= $tree->get_tree_category(0, $str, $str2);
        
        $string .= '</select>';
        return $string;
    }

    public static function select_linkage($keyid = 0, $parentid = 0, $name = 'parentid', $id = '', $alt = '', $linkageid = 0, $property = '')
    {
        $tree = pc_base::load_sys_class('tree');
        $result = getcache($keyid, 'linkage');
        $id = $id ? $id : $name;
        $string = "<select name='$name' id='$id' $property>\n<option value='0'>$alt</option>\n";
        if ($result['data']) {
            foreach ($result['data'] as $area) {
                $categorys[$area['linkageid']] = array(
                    'id' => $area['linkageid'],
                    'parentid' => $area['parentid'],
                    'name' => $area['name']
                );
            }
        }
        $str = "<option value='\$id' \$selected>\$spacer \$name</option>";
        
        $tree->init($categorys);
        $string .= $tree->get_tree($parentid, $str, $linkageid);
        
        $string .= '</select>';
        return $string;
    }

    /**
     * 下拉选择框
     */
    public static function select($array = array(), $id = 0, $str = '', $default_option = '')
    {
        $string = '<select ' . $str . '>';
        $default_selected = (empty($id) && $default_option) ? 'selected' : '';
        if ($default_option)
            $string .= "<option value='' $default_selected>$default_option</option>";
        if (! is_array($array) || count($array) == 0)
            return false;
        $ids = array();
        if (isset($id))
            $ids = explode(',', $id);
        foreach ($array as $key => $value) {
            $selected = in_array($key, $ids) ? 'selected' : '';
            $string .= '<option value="' . $key . '" ' . $selected . '>' . $value . '</option>';
        }
        $string .= '</select>';
        return $string;
    }

    /**
     * 复选框
     *
     * @param $array 选项
     *            二维数组
     * @param $id 默认选中值，多个用
     *            '逗号'分割
     * @param $str 属性            
     * @param $defaultvalue 是否增加默认值
     *            默认值为 -99
     * @param $width 宽度            
     */
    public static function checkbox($array = array(), $id = '', $str = '', $defaultvalue = '', $width = 0, $field = '')
    {
        $string = '';
        $id = trim($id);
        if ($id != '')
            $id = strpos($id, ',') ? explode(',', $id) : array(
                $id
            );
        if ($defaultvalue)
            $string .= '<input type="hidden" ' . $str . ' value="-99">';
        $i = 1;
        foreach ($array as $key => $value) {
            $key = trim($key);
            $checked = ($id && in_array($key, $id)) ? 'checked' : '';
            if ($width)
                $string .= '<label class="ib" style="width:' . $width . 'px">';
            $string .= '<input type="checkbox" ' . $str . ' id="' . $field . '_' . $i . '" ' . $checked . ' value="' . new_html_special_chars($key) . '"> ' . new_html_special_chars($value);
            if ($width)
                $string .= '</label>';
            $i ++;
        }
        return $string;
    }

    /**
     * 单选框
     *
     * @param $array 选项
     *            二维数组
     * @param $id 默认选中值            
     * @param $str 属性            
     */
    public static function radio($array = array(), $id = 0, $str = '', $width = 0, $field = '')
    {
        $string = '';
        foreach ($array as $key => $value) {
            $checked = trim($id) == trim($key) ? 'checked' : '';
            if ($width)
                $string .= '<label class="ib" style="width:' . $width . 'px">';
            $string .= '<input type="radio" ' . $str . ' id="' . $field . '_' . new_html_special_chars($key) . '" ' . $checked . ' value="' . $key . '"> ' . $value;
            if ($width)
                $string .= '</label>';
        }
        return $string;
    }

    /**
     * 模板选择
     *
     * @param $style 风格            
     * @param $module 模块            
     * @param $id 默认选中值            
     * @param $str 属性            
     * @param $pre 模板前缀            
     */
    public static function select_template($style, $module, $id = '', $str = '', $pre = '')
    {
        $tpl_root = pc_base::load_config('system', 'tpl_root');
        $templatedir = PC_PATH . $tpl_root . DIRECTORY_SEPARATOR . $style . DIRECTORY_SEPARATOR . $module . DIRECTORY_SEPARATOR;
        $confing_path = PC_PATH . $tpl_root . DIRECTORY_SEPARATOR . $style . DIRECTORY_SEPARATOR . 'config.php';
        $localdir = str_replace(array(
            '/',
            '\\'
        ), '', $tpl_root) . '|' . $style . '|' . $module;
        $templates = glob($templatedir . $pre . '*.html');
        if (empty($templates)) {
            $style = 'default';
            $templatedir = PC_PATH . $tpl_root . DIRECTORY_SEPARATOR . $style . DIRECTORY_SEPARATOR . $module . DIRECTORY_SEPARATOR;
            $confing_path = PC_PATH . $tpl_root . DIRECTORY_SEPARATOR . $style . DIRECTORY_SEPARATOR . 'config.php';
            $localdir = str_replace(array(
                '/',
                '\\'
            ), '', $tpl_root) . '|' . $style . '|' . $module;
            $templates = glob($templatedir . $pre . '*.html');
        }
        if (empty($templates))
            return false;
        $files = @array_map('basename', $templates);
        $names = array();
        if (file_exists($confing_path)) {
            $names = include $confing_path;
        }
        $templates = array();
        if (is_array($files)) {
            foreach ($files as $file) {
                $key = substr($file, 0, - 5);
                $templates[$key] = isset($names['file_explan'][$localdir][$file]) && ! empty($names['file_explan'][$localdir][$file]) ? $names['file_explan'][$localdir][$file] . '(' . $file . ')' : $file;
            }
        }
        ksort($templates);
        return self::select($templates, $id, $str, L('please_select'));
    }

    /**
     * 验证码
     * 
     * @param string $id
     *            生成的验证码ID
     * @param integer $code_len
     *            生成多少位验证码
     * @param integer $font_size
     *            验证码字体大小
     * @param integer $width
     *            验证图片的宽
     * @param integer $height
     *            验证码图片的高
     * @param string $font
     *            使用什么字体，设置字体的URL
     * @param string $font_color
     *            字体使用什么颜色
     * @param string $background
     *            背景使用什么颜色
     */
    public static function checkcode($id = 'checkcode', $code_len = 4, $font_size = 20, $width = 130, $height = 50, $font = '', $font_color = '', $background = '')
    {
        return "<img id='$id' class='ctfc-v-code' onclick='this.src=this.src+\"&\"+Math.random()' src='" . SITE_PROTOCOL . SITE_URL . WEB_PATH . "api.php?op=checkcode&code_len=$code_len&font_size=$font_size&width=$width&height=$height&font_color=" . urlencode($font_color) . "&background=" . urlencode($background) . "'>";
    }

    /**
     * url 规则调用
     *
     * @param $module 模块            
     * @param $file 文件名            
     * @param $ishtml 是否为静态规则            
     * @param $id 选中值            
     * @param $str 表单属性            
     * @param $default_option 默认选项            
     */
    public static function urlrule($module, $file, $ishtml, $id, $str = '', $default_option = '')
    {
        if (! $module)
            $module = 'content';
        $urlrules = getcache('urlrules_detail', 'commons');
        $array = array();
        foreach ($urlrules as $roleid => $rules) {
            if ($rules['module'] == $module && $rules['file'] == $file && $rules['ishtml'] == $ishtml)
                $array[$roleid] = $rules['example'];
        }
        
        return form::select($array, $id, $str, $default_option);
    }


    /**
     * 下拉选择框
     */
    public static function select_default($array = array(), $id = 0, $str = '', $default_option = '')
    {

        $string = '<select ' . $str . '>';
        $default_selected = ((empty($id)) && $default_option) ? 'selected' : '';
        if ($default_option)
            $string .= "<option value='' $default_selected>$default_option</option>";
        if (! is_array($array) || count($array) == 0){
            $string .= '</select>';
            return $string;
        }
        foreach ($array as $key => $value) {
            $selected =($key==$id) ? 'selected' : '';
            $string .= '<option value="' . $key . '" ' . $selected . '>' . $value . '</option>';
        }
        $string .= '</select>';
        return $string;
    }

}

?>